How can the format of “A Tale of Two Cities,” “The Barber of Seville,” and Stephen Sondheim musicals expand the possibilities in podcasting? Coming up on 20+ years now, the idea of the podcast is getting a little stifled in terms of form. Can it be more open? A little freer? Acclaimed radio producer Ngofeen Mputubwele challenges all of your podcast preconceptions in these thought-provoking, small group workshops.